#57B5CE#57B5CE

#57B5CE is a light, moderate cyan. Relative luminance 0.395; OKLCH L 72.6% C 0.095 H 217.7°. Best body text is #000000 at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#57B5CE
RGB	rgb(87, 181, 206)
HSL	hsl(193, 55%, 57%)
HSV	hsv(193, 58%, 81%)
CMYK	cmyk(57.8%, 12.1%, 0%, 19.2%)
CIE-LAB	lab(69.13, -20.60, -21.06)
CIE-LCH	lch(69.13, 29.46, 225.63°)
OKLab	oklab(72.57% -0.0755 -0.0584)
OKLCH	oklch(72.57% 0.095 217.7)
XYZ	xyz(31.5905, 39.5272, 64.3452)
Luminance	0.3953 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B5CE #CE7057

analogous

#57CEAC #57B5CE #577ACE

triadic

#57B5CE #CE57B5 #B5CE57

tetradic

#57B5CE #AC57CE #CE7057 #7ACE57

square

#57B5CE #AC57CE #CE7057 #7ACE57

split-complementary

#57B5CE #CE577A #CEAC57

monochromatic

#277084 #3499B3 #57B5CE #86CADC #B6DFEA

Accessibility & contrast

On white

2.36

#57B5CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.91

#57B5CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B5CE

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B5CE	#FFFFFF	#000000	##000000
##57B5CE	1.00	2.36	8.91	8.91
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.91	21.00	1.00	1.00
##000000	8.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B0CF

Deuteranopia (green-blind)

#93A3CE

Tritanopia (blue-blind)

#00BEBD

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #57b5ce;
/* rgb */ color: rgb(87, 181, 206);
/* oklch */ color: oklch(72.6% 0.095 217.7);

Tailwind

colors: {
  custom: {
    50: '#91cbdd',
    500: '#57b5ce',
    950: '#000000',
  },
}

SCSS

$custom: #57b5ce;
$custom-light: #91cbdd;
$custom-dark: #000000;

JSON

{
  "hex": "#57b5ce",
  "rgb": {
    "r": 87,
    "g": 181,
    "b": 206
  },
  "hsl": {
    "h": 192.605,
    "s": 54.839,
    "l": 57.451
  },
  "oklch": {
    "l": 0.72573,
    "c": 0.09549,
    "h": 217.7
  },
  "luminance": 0.3953
}

Semantic roles & 50–950 ramp

primary

#57B5CE

secondary

#D8B2A8

accent

#694ADE

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #57B5CE

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →